After I put it to the test, the FEL PRO gasket proved to be the best replacement part for my racing car. It kept my engine sealed perfectly and prevented leaks even under extreme conditions. The gasket is made of high quality materials and is designed to withstand the pressure of high performance engines. The only downside is that its a bit pricey compared to other gaskets on the market. But, for the quality and performance it provides, it's worth the investment....